DE3138023A1 - Pulse code modulation system - Google Patents

Pulse code modulation system

Info

Publication number
DE3138023A1
DE3138023A1 DE19813138023 DE3138023A DE3138023A1 DE 3138023 A1 DE3138023 A1 DE 3138023A1 DE 19813138023 DE19813138023 DE 19813138023 DE 3138023 A DE3138023 A DE 3138023A DE 3138023 A1 DE3138023 A1 DE 3138023A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
modulation system
pulse code
code modulation
pulse
system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19813138023
Other languages
German (de)
Inventor
Juergen Dipl Ing Heitmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/02Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/38Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40Transmitting circuits; Receiving circuits
    • H04L25/49Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4915Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using pattern inversion or substitution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
DE19813138023 1981-09-24 1981-09-24 Pulse code modulation system Withdrawn DE3138023A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813138023 DE3138023A1 (en) 1981-09-24 1981-09-24 Pulse code modulation system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19813138023 DE3138023A1 (en) 1981-09-24 1981-09-24 Pulse code modulation system
US06417882 US4534037A (en) 1981-09-24 1982-09-14 Method and apparatus for scrambled pulse-code modulation transmission or recording
JP16419182A JPS58137341A (en) 1981-09-24 1982-09-22 Pulse code modulation system
EP19820108753 EP0075852A3 (en) 1981-09-24 1982-09-22 Pulse code modulation system

Publications (1)

Publication Number Publication Date
DE3138023A1 true true DE3138023A1 (en) 1983-04-07

Family

ID=6142509

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813138023 Withdrawn DE3138023A1 (en) 1981-09-24 1981-09-24 Pulse code modulation system

Country Status (4)

Country Link
US (1) US4534037A (en)
EP (1) EP0075852A3 (en)
JP (1) JPS58137341A (en)
DE (1) DE3138023A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529435A1 (en) * 1985-08-16 1987-02-26 Bosch Gmbh Robert A method of transmitting digitally encoded signals

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802220A (en) * 1985-03-20 1989-01-31 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for multi-channel communication security
DE59711604D1 (en) * 1996-01-19 2004-06-17 Siemens Schweiz Ag Zuerich Method for transmitting data between two stations
DE19907964C1 (en) 1999-02-24 2000-08-10 Fraunhofer Ges Forschung Encryption device for audio and/or video signals uses coder providing data stream with pre-determined syntax and encryption stage altering useful data in data stream without altering syntax
US20070263713A1 (en) * 2006-05-09 2007-11-15 Aronson Lewis B Digital video interface

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE364175C (en) * 1922-02-26 1922-11-25 Alexander Karnat Device to peat machines, brick machines u. the like. selbsttaetigen to ascertain the quantity of the composition prepared
FR1152285A (en) * 1956-06-11 1958-02-13 Cfcmug transmission system of reduced bandwidth television signals
DE2321902C2 (en) * 1973-03-19 1982-11-11 Patelhold Patentverwertungs- Und Elektro-Holding Ag, Glarus, Ch
NL171952C (en) * 1975-05-14 1983-06-01 Nederlanden Staat Self-synchronizing transmission system for the transmission of binary signals, by using scramblers, descramblers respectively.
GB1599155A (en) * 1976-12-24 1981-09-30 Indep Broadcasting Authority Transmission and/or recording of digital signals
US4168396A (en) * 1977-10-31 1979-09-18 Best Robert M Microprocessor for executing enciphered programs
DE3022573A1 (en) * 1980-06-16 1981-12-24 Licentia Gmbh System for processing and transmitting signals pcm
DE3022541A1 (en) * 1980-06-16 1982-01-07 Licentia Gmbh System for processing and transmitting signals pcm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529435A1 (en) * 1985-08-16 1987-02-26 Bosch Gmbh Robert A method of transmitting digitally encoded signals

Also Published As

Publication number Publication date Type
EP0075852A2 (en) 1983-04-06 application
EP0075852A3 (en) 1983-05-25 application
US4534037A (en) 1985-08-06 grant
JPS58137341A (en) 1983-08-15 application

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee